409098-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 409098-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,9,0,9 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 409098-23:
(8*4)+(7*0)+(6*9)+(5*0)+(4*9)+(3*8)+(2*2)+(1*3)=153
153 % 10 = 3
So 409098-23-3 is a valid CAS Registry Number.